High pressure, high temperature test vessel with pressure warning indicator



FIG. 1 is a right side perspective view of a high pressure, high temperature test vessel with pressure warning indicator showing our new design;

FIG. 2 is a left side elevational view;

FIG. 3 is a right side elevational view;

FIG. 4 is an elevational view, the opposite side being a mirror image;

FIG. 5 is a left side perspective view of a high pressure, high temperature test vessel with pressure warning indicator of a second embodiment of FIGS. 1-4 showing our new design;

FIG. 6 is a left side elevational view;

FIG. 7 is a right side elevational view; and,

FIG. 8 is an elevational view, the opposite side being a mirror image thereof. 

The ornamental design for a high pressure, high temperature test vessel and pressure warning indicator, as shown and described. 